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SbVec3f.h
1 #ifndef COIN_SBVEC3F_H
2 #define COIN_SBVEC3F_H
3 
4 /**************************************************************************\
5  *
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26 
27 #include <stdio.h>
28 
29 #include <Inventor/SbBasic.h>
30 #ifndef NDEBUG
31 #include <Inventor/errors/SoDebugError.h>
32 #endif // !NDEBUG
33 
34 class SbPlane;
35 class SbVec3d;
36 class SbVec3b;
37 class SbVec3s;
38 class SbVec3i32;
39 
40 class COIN_DLL_API SbVec3f {
41 public:
42  SbVec3f(void) { }
43  SbVec3f(const float v[3]) { vec[0] = v[0]; vec[1] = v[1]; vec[2] = v[2]; }
44  SbVec3f(float x, float y, float z) { vec[0] = x; vec[1] = y; vec[2] = z; }
45  explicit SbVec3f(const SbVec3d & v) { setValue(v); }
46  explicit SbVec3f(const SbVec3b & v) { setValue(v); }
47  explicit SbVec3f(const SbVec3s & v) { setValue(v); }
48  explicit SbVec3f(const SbVec3i32 & v) { setValue(v); }
49  SbVec3f(const SbPlane & p0, const SbPlane & p1, const SbPlane & p2);
50 
51  SbVec3f & setValue(const float v[3]) { vec[0] = v[0]; vec[1] = v[1]; vec[2] = v[2]; return *this; }
52  SbVec3f & setValue(float x, float y, float z) { vec[0] = x; vec[1] = y; vec[2] = z; return *this; }
53  SbVec3f & setValue(const SbVec3f & barycentric,
54  const SbVec3f & v0,
55  const SbVec3f & v1,
56  const SbVec3f & v2);
57  SbVec3f & setValue(const SbVec3d & v);
58  SbVec3f & setValue(const SbVec3b & v);
59  SbVec3f & setValue(const SbVec3s & v);
60  SbVec3f & setValue(const SbVec3i32 & v);
61 
62  const float * getValue(void) const { return vec; }
63  void getValue(float & x, float & y, float & z) const { x = vec[0]; y = vec[1]; z = vec[2]; }
64 
65  float & operator [] (int i) { return vec[i]; }
66  const float & operator [] (int i) const { return vec[i]; }
67 
68  SbBool equals(const SbVec3f & v, float tolerance) const;
69  SbVec3f cross(const SbVec3f & v) const;
70  float dot(const SbVec3f & v) const { return vec[0] * v[0] + vec[1] * v[1] + vec[2] * v[2]; }
71  SbVec3f getClosestAxis(void) const;
72  float length(void) const;
73  float sqrLength(void) const { return vec[0] * vec[0] + vec[1] * vec[1] + vec[2] * vec[2]; }
74  float normalize(void);
75  void negate(void) { vec[0] = -vec[0]; vec[1] = -vec[1]; vec[2] = -vec[2]; }
76 
77  SbVec3f & operator *= (float d) { vec[0] *= d; vec[1] *= d; vec[2] *= d; return *this; }
78  SbVec3f & operator /= (float d) { SbDividerChk("SbVec3f::operator/=(float)", d); return operator *= (1.0f / d); }
79  SbVec3f & operator += (const SbVec3f & v) { vec[0] += v[0]; vec[1] += v[1]; vec[2] += v[2]; return *this; }
80  SbVec3f & operator -= (const SbVec3f & v) { vec[0] -= v[0]; vec[1] -= v[1]; vec[2] -= v[2]; return *this; }
81  SbVec3f operator - (void) const { return SbVec3f(-vec[0], -vec[1], -vec[2]); }
82 
83  void print(FILE * fp) const;
84 
85 protected:
86  float vec[3];
87 
88 }; // SbVec3f
89 
90 COIN_DLL_API inline SbVec3f operator * (const SbVec3f & v, float d) {
91  SbVec3f val(v); val *= d; return val;
92 }
93 
94 COIN_DLL_API inline SbVec3f operator * (float d, const SbVec3f & v) {
95  SbVec3f val(v); val *= d; return val;
96 }
97 
98 COIN_DLL_API inline SbVec3f operator / (const SbVec3f & v, float d) {
99  SbDividerChk("operator/(SbVec3f,float)", d);
100  SbVec3f val(v); val /= d; return val;
101 }
102 
103 COIN_DLL_API inline SbVec3f operator + (const SbVec3f & v1, const SbVec3f & v2) {
104  SbVec3f v(v1); v += v2; return v;
105 }
106 
107 COIN_DLL_API inline SbVec3f operator - (const SbVec3f & v1, const SbVec3f & v2) {
108  SbVec3f v(v1); v -= v2; return v;
109 }
110 
111 COIN_DLL_API inline int operator == (const SbVec3f & v1, const SbVec3f & v2) {
112  return ((v1[0] == v2[0]) && (v1[1] == v2[1]) && (v1[2] == v2[2]));
113 }
114 
115 COIN_DLL_API inline int operator != (const SbVec3f & v1, const SbVec3f & v2) {
116  return !(v1 == v2);
117 }
118 
119 #endif // !COIN_SBVEC3F_H
SbVec3f(const SbVec3d &v)
Definition: SbVec3f.h:45
SbVec3f(void)
Definition: SbVec3f.h:42
The SbVec3d class is a 3 dimensional vector with double precision floating point coordinates.This vector class provides storage for a 3 dimensional double precision floating point vector aswell as simple floating point arithmetic operations.
Definition: SbVec3d.h:39
SbVec3f(float x, float y, float z)
Definition: SbVec3f.h:44
int operator!=(const SbBox2d &b1, const SbBox2d &b2)
Definition: SbBox2d.h:92
float sqrLength(void) const
Definition: SbVec3f.h:73
int operator==(const SbBox2d &b1, const SbBox2d &b2)
Definition: SbBox2d.h:88
SbVec3f(const SbVec3i32 &v)
Definition: SbVec3f.h:48
const float * getValue(void) const
Definition: SbVec3f.h:62
float dot(const SbVec3f &v) const
Definition: SbVec3f.h:70
SbVec3f(const float v[3])
Definition: SbVec3f.h:43
The SbVec3s class is a 3 dimensional vector with short integer coordinates.This vector class provides...
Definition: SbVec3s.h:39
SbVec3f(const SbVec3s &v)
Definition: SbVec3f.h:47
The SbVec3f class is a 3 dimensional vector with floating point coordinates.This vector class is used...
Definition: SbVec3f.h:40
SbVec2d operator*(const SbVec2d &v, double d)
Definition: SbVec2d.h:82
SbVec3f & setValue(const float v[3])
Definition: SbVec3f.h:51
SbVec2d operator-(const SbVec2d &v1, const SbVec2d &v2)
Definition: SbVec2d.h:99
SbVec3f(const SbVec3b &v)
Definition: SbVec3f.h:46
SbVec3f & setValue(float x, float y, float z)
Definition: SbVec3f.h:52
Definition: SbVec3b.h:39
void negate(void)
Definition: SbVec3f.h:75
Definition: SbVec3i32.h:39
SbVec2d operator/(const SbVec2d &v, double d)
Definition: SbVec2d.h:90
void getValue(float &x, float &y, float &z) const
Definition: SbVec3f.h:63
The SbPlane class represents a plane in 3D space.SbDPPlane is used by many other classes in Coin...
Definition: SbPlane.h:34
SbVec2d operator+(const SbVec2d &v1, const SbVec2d &v2)
Definition: SbVec2d.h:95

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